/*
 * Copyright (c) 2011 Anthony Vandikas
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation 
 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, 
 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#pragma once
#include "ui_mainwindow.h"

class SignOutWidget;
class HistoryWidget;
class PrintWidget;
class SettingsWidget;
class AbstractInventory;
class AbstractHistory;
class AbstractStudentList;
class AbstractVerifier;

/**
 * The main window, which acts as a container for the other widgets.
 */
class MainWindow : public QMainWindow
{
	Q_OBJECT

public:
	/**
	 * Creates a new main window. The parameters are used by child widgets.
	 *
	 * @param inventory The inventory to use throughout the application.
	 * @param history The history to use throughout the application.
	 * @param studentList The student list to use throughout the application.
	 * @param verifier The verifier to use throughout the application.
	 */
	MainWindow(AbstractInventory &inventory, AbstractHistory &history, AbstractStudentList &studentList, AbstractVerifier &verifier);
	
	/**
	 * Cleans up the resources used by this object.
	 */
	~MainWindow();

protected:
	virtual void closeEvent(QCloseEvent *event);

private slots:
	/**
	 * Called when the sign out button is clicked.
	 * Transitions to the sign out page.
	 */
	void signOutButtonClicked();

	/**
	 * Called when the history button is clicked.
	 * Transitions to the history page.
	 */
	void historyButtonClicked();

	/**
	 * Transitions to the settings page.
	 */
	void viewSettings();

	/**
	 * Toggles fullscreen mode.
	 */
	void toggleFullscreen();

	/**
	 * Changes the admin password.
	 */
	void changePassword();

private:
	/**
	 * Sets the current page.
	 */
	void setPage(int index);

	/**
	 * Prompts the user for the admin password and returns whether or not it matched.
	 */
	bool verifyPassword();

	Ui::MainWindow ui;

	QSettings settings;

	SignOutWidget *signOutWidget;
	HistoryWidget *historyWidget;
	SettingsWidget *settingsWidget;
};
